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Citace podle Chicago (17th ed.)National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, a National Research Council (U.S.). Committee on Maintenance and Operations Costs. Maintenance Systems: Estimating Maintenance Costs, Solid-waste Disposal Systems, Maintenance Station Locations, Manager Training, and Equipment Management ; 7 Reports. Washington, D.C: Highway Research Board, 1972.
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